30898980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:338

約数の個数: 144

約数和(自身を含む): 108501120

約数和(自身を除く): 77602140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 137, 140, 179, 180, 210, 252, 274, 315, 358, 411, 420, 537, 548, 630, 685, 716, 822, 895, 959, 1074, 1233, 1253, 1260, 1370, 1611, 1644, 1790, 1918, 2055, 2148, 2466, 2506, 2685, 2740, 2877, 3222, 3580, 3759, 3836, 4110, 4795, 4932, 5012, 5370, 5754, 6165, 6265, 6444, 7518, 8055, 8220, 8631, 9590, 10740, 11277, 11508, 12330, 12530, 14385, 15036, 16110, 17262, 18795, 19180, 22554, 24523, 24660, 25060, 28770, 32220, 34524, 37590, 43155, 45108, 49046, 56385, 57540, 73569, 75180, 86310, 98092, 112770, 122615, 147138, 171661, 172620, 220707, 225540, 245230, 294276, 343322, 367845, 441414, 490460, 514983, 686644, 735690, 858305, 882828, 1029966, 1103535, 1471380, 1544949, 1716610, 2059932, 2207070, 2574915, 3089898, 3433220, 4414140, 5149830, 6179796, 7724745, 10299660, 15449490, 30898980]

約数ペア:

[(1, 30898980), (2, 15449490), (3, 10299660), (4, 7724745), (5, 6179796), (6, 5149830), (7, 4414140), (9, 3433220), (10, 3089898), (12, 2574915), (14, 2207070), (15, 2059932), (18, 1716610), (20, 1544949), (21, 1471380), (28, 1103535), (30, 1029966), (35, 882828), (36, 858305), (42, 735690), (45, 686644), (60, 514983), (63, 490460), (70, 441414), (84, 367845), (90, 343322), (105, 294276), (126, 245230), (137, 225540), (140, 220707), (179, 172620), (180, 171661), (210, 147138), (252, 122615), (274, 112770), (315, 98092), (358, 86310), (411, 75180), (420, 73569), (537, 57540), (548, 56385), (630, 49046), (685, 45108), (716, 43155), (822, 37590), (895, 34524), (959, 32220), (1074, 28770), (1233, 25060), (1253, 24660), (1260, 24523), (1370, 22554), (1611, 19180), (1644, 18795), (1790, 17262), (1918, 16110), (2055, 15036), (2148, 14385), (2466, 12530), (2506, 12330), (2685, 11508), (2740, 11277), (2877, 10740), (3222, 9590), (3580, 8631), (3759, 8220), (3836, 8055), (4110, 7518), (4795, 6444), (4932, 6265), (5012, 6165), (5370, 5754)]